Home / 13,408,473.48-18,504,302.70-7,902,080.72

Finding the Fourth Proportional to 13,408,473.48, 18,504,302.70 and 7,902,080.72

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Solution

The fourth proportional to 13,408,473.48, 18,504,302.70 and 7,902,080.72 is: 10,905,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,473.48 : 18,504,302.70 = 7,902,080.72 : x
  2. Step 2: Convert to fraction form
    13,408,473.48/18,504,302.70 = 7,902,080.72/x
  3. Step 3: Cross multiply
    13,408,473.48x = 18,504,302.70 × 7,902,080.72
  4. Step 4: Simplify right side
    13,408,473.48x = 146,222,493,602,713.94
  5. Step 5: Solve for x
    x = 146,222,493,602,713.94/13,408,473.48
  6. Step 6: Final answer
    x = 10,905,230.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.